A Series

1. A number of things that follow on one after the other or are connected one after the other.

Synonyms: chain, line, sequence, stream, succession

2. (broadcasting) A television or radio program which consists of several episodes that are broadcast in regular intervals

Synonyms: show, program

3. (Discuss(+) this sense) (mathematics) The sequence of partial sums
4. (cricket, baseball) A group of matches between two sides, with the aim being to win more matches than the opposition.
5. (zoology) An unranked taxon.
6. (botany) A subdivision of a genus, a taxonomic rank below that of section (and subsection) but above that of species.
7. (commerce) A parcel of rough diamonds of assorted qualities.
8. (phonology) A set of consonants that share a particular phonetic or phonological feature.

(mathematics): Beginning students often confuse series with sequence.